SJ-D50/55 Mini Film Blowing MachineUSEIts cylinder and screw rods are made of quality 38CRMOALA that have been nitrized and processed in a precision way. Hence it is sound in hardness, durable in corrosion resistance. The specially-designed screw is of sound quality in plasticizing, which helps increase the production capacity. it is applied to blowing the plastic films like low density polytene(LDPE),high desity polytene (HDPE) and linear low desity polytene(LLDPE).it is widely applied to producing the packing bags for foodstuff. clothing, rubbish bag and vest ones.OPTIONAL EQUIPMENT1) auto loader2) cast aluminum heating ring3) air shaft roller4) pneumatic deviceMain Technical Variables:Performance and Characteristics:The machinge body is channel steel frame traction frequency friction, with single rolling friction, lift up and down which is suitable for blowing high-low pressure polyethylene industral fiml and agricultural film.Main Teachnical Variables:We can make the machine as your request.